The Si+4content of natural phengites: A
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E. H. Brown
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Article
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1968
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Springer
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English
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Is the Si content of phengites controlled by metamorphic grade, host rock composition or both ? In a recent paper appearing in this journal V~LDE (1967) asserts that the silica content of phengites is independent of host rock composition and is indicative of the pressure and temperature of their for